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authorGravatar Baruch Siach <baruch@tkos.co.il>2014-12-25 07:36:28 +0200
committerGravatar Thomas Petazzoni <thomas.petazzoni@free-electrons.com>2014-12-26 13:55:50 +0100
commitf6e771032336f6af18997b3f9145d75301bb4da0 (patch)
treeed744459448fcd4083f9fd0ebd2953e0c4af5e82 /Makefile
parent8995e5b57def429ae42c9b47f70dbf18211947f7 (diff)
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Makefile: clarify comment on .br-external handling
The comment language may lead the reader to think that .br-external is removed whenever BR2_EXTERNAL is not set in the command line. Make it clear that BR2_EXTERNAL must be explicitly set to an empty value for .br-external to get removed. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile5
1 files changed, 3 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index ad018c88f1..5e0b4f254a 100644
--- a/Makefile
+++ b/Makefile
@@ -123,8 +123,9 @@ $(if $(BASE_DIR),, $(error output directory "$(O)" does not exist))
# On subsequent invocations of make, it is read in. It can still be overridden
# on the command line, therefore the file is re-created every time make is run.
#
-# When BR2_EXTERNAL is not set, the .br-external file is removed and we point
-# to support/dummy-external. This makes sure we can unconditionally include the
+# When BR2_EXTERNAL is set to an empty value (e.g. explicitly in command
+# line), the .br-external file is removed and we point to
+# support/dummy-external. This makes sure we can unconditionally include the
# Config.in and external.mk from the BR2_EXTERNAL directory. In this case,
# override is necessary so the user can clear BR2_EXTERNAL from the command
# line, but the dummy path is still used internally.